180040893252250 has 32 divisors (see below), whose sum is σ = 337044275809488. Its totient is φ = 72014706950400.

The previous prime is 180040893252193. The next prime is 180040893252287. The reversal of 180040893252250 is 52252398040081.

It can be written as a sum of positive squares in 8 ways, for example, as 28348883950689 + 151692009301561 = 5324367^2 + 12316331^2 .

It is a junction number, because it is equal to n+sod(n) for n = 180040893252194 and 180040893252203.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2708374 + ... + 19168126.

Almost surely, 2^{180040893252250} is an apocalyptic number.

180040893252250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

180040893252250 is a deficient number, since it is larger than the sum of its proper divisors (157003382557238).

180040893252250 is a wasteful number, since it uses less digits than its factorization.

180040893252250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16503523 (or 16503513 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 49.

The spelling of 180040893252250 in words is "one hundred eighty trillion, forty billion, eight hundred ninety-three million, two hundred fifty-two thousand, two hundred fifty".